CN113557861A

CN113557861A - Trimming platform capable of leveling power transmission line

Info

Publication number: CN113557861A
Application number: CN202110624349.2A
Authority: CN
Inventors: 刘昌灏; 吕守迁; 赵涛; 吕士栋; 潘凯; 李志浩; 刘洪伟; 韩晓
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-10-29

Abstract

The utility model provides a but transmission line leveling trimming platform, including first platform, second platform and base, install slewing bearing on first platform, slewing bearing's outer lane and first platform fixed connection, the interior circle of slewing bearing is equipped with the supporting seat, the articulated first linking arm of installing on the supporting seat, the articulated second linking arm of installing in first linking arm upper end, install first driving motor in first linking arm and supporting seat looks articulated position department, the second driving motor is installed with first linking arm looks articulated position department to the second linking arm, still be equipped with the electric saw on the second linking arm, the electric saw passes through the third driving motor and installs on the second linking arm. The invention has the positive effects that: the pruning platform capable of leveling the power transmission line provided by the invention can realize accurate cutting of branches near the power transmission line, and meanwhile, the auxiliary cutting device on the electric saw can also realize effective pruning of relatively soft branches, so that the efficiency of the overall pruning operation is improved.

Description

Trimming platform capable of leveling power transmission line

Technical Field

The invention relates to the technical field of electric power overhaul auxiliary equipment, in particular to a trimming platform capable of leveling a power transmission line.

Background

In the extra-high voltage transmission line channel, when trees grow too high to break through the safety distance, the line can be caused to discharge, and when the trees grow too high to break through the safety distance, the line can be caused to trip, so that in 3 and 4 months per year, line operation and maintenance personnel need to carry out an important work in advance, namely, potential hazard trees with clearance distance smaller than or close to 8 meters in a line protection area are pruned, and the safe and stable operation of the line is ensured. At present, the hidden trouble trees partially arranged on two sides of a highway or scattered in an open and flat land can be trimmed by an overhead working truck, but the overhead working truck cannot be stably parked in the trees in off-highway areas, such as hills, slopes, ditches and other terrain environments due to the limitation of terrain conditions; for a dense forest with a flat zone in a large scale, space limitation is caused due to small tree gaps, an overhead working truck cannot enter the forest, meanwhile, some ultrahigh trees are close to an area such as a fishpond and a paddy field, common pruning tools for branches on one side of the fishpond or a paddy field cannot prune the trees, harder branches are relatively easier to prune, but soft branches of plants such as weeping willows cannot be pruned effectively by the common pruning tools, and the pruning of the trees brings great difficulty to the defect elimination operation.

Disclosure of Invention

The invention aims to provide a leveling pruning platform for a power transmission line, which is characterized in that a platform is arranged on a movable base, and an electric saw with an adjustable mounting position is arranged on the platform to realize pruning of branches near the power transmission line, and meanwhile, a cutting auxiliary device on the electric saw can also realize effective pruning of soft branches, thereby solving the problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a leveling trimming platform for a power transmission line, which comprises a first platform, a second platform and a base, wherein a rotary support is arranged on the first platform, the outer ring of the rotary support is fixedly connected with the first platform, a supporting seat is arranged on the inner ring of the rotary support, a first connecting arm is hinged on the supporting seat, a second connecting arm is hinged on the upper end of the first connecting arm, a first driving motor is arranged at the position where the first connecting arm is hinged with the supporting seat, a second driving motor is arranged at the position where the second connecting arm is hinged with the first connecting arm, an electric saw is further arranged on the second connecting arm, the electric saw is arranged on the second connecting arm through a third driving motor, wherein the output shaft of the third driving motor is perpendicular to the output shafts of the first driving motor and the second driving motor, a cutting auxiliary device is further arranged on the electric saw, and the cutting auxiliary device comprises a rotary table arranged on the electric saw, the rotary table is provided with a plurality of first sleeves which are connected with each other, one end of each first sleeve is provided with a hinge plate, the adjacent first sleeves are hinged with each other through the hinge plate, the first sleeve at one end is fixedly connected with the rotary table, the first sleeve at the other end is hinged with a second sleeve, a fixed column is arranged in the inner cavity of the second sleeve, a rotating shaft is coaxially arranged on the rotary table and can rotate relative to the rotary table, a connecting rope is arranged between the rotating shaft and the fixed column and positioned in the first sleeve and the second sleeve, one end of the connecting rope is fixed on the fixed column through a first welding point, the other end of the connecting rope is fixed on the rotating shaft through a second welding point, when the rotating shaft drives the connecting rope to rotate together, one sides of the first sleeve and the second sleeve can rotate to be close to each other, and a hydraulic cylinder and a connecting shaft plate which can be twisted are hinged between the first platform and the second platform, the pneumatic cylinder is flexible can adjust the angular position between first platform and the second platform, installs the fork arm of cutting between second platform and the base, is equipped with the lift actuating cylinder on the fork arm of cutting, still installs actuating system on the base, and actuating system is connected with driving motor, pneumatic cylinder and lift actuating cylinder through control scheme, the bottom of base is installed and is removed the wheel, and the dwang is still installed to the bottom of base, and the one end of dwang is articulated mutually with the base through fourth driving motor, and the supporting leg that can go up and down is installed to the other end of dwang. The electric saw is characterized in that a current induction probe is installed on one side of the electric saw, a grounding connecting rod is hinged to the first platform, a fifth driving motor is installed at the position, hinged to the first platform, of the grounding connecting rod, the fifth driving motor is connected with the current induction probe through a control circuit, a grounding wire device is installed on the second platform, and the fifth driving motor can drive the grounding connecting rod to rotate to be connected with the grounding wire device. The surface of the first platform is provided with an insulating layer, and the insulating layer is coated with an RTV coating.

The invention has the positive effects that: the invention relates to a leveling and trimming platform for a power transmission line, which comprises a base, a first platform and a second platform, wherein supporting legs arranged at the bottom of the base enable the device to be stably parked on a complex terrain without being influenced by the terrain near the power transmission line, a hydraulic cylinder and a coupling plate between the first platform and the second platform can adapt to the terrain and always ensure that the first platform is in a horizontal position so as to facilitate the cutting operation of branches, an electric saw arranged on the first platform can adjust the height and the angle position as required so as to realize the accurate cutting of the branches near the power transmission line, meanwhile, a cutting auxiliary device on the electric saw can also realize the effective trimming of soft branches, and the efficiency of the integral trimming operation is improved.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an enlarged partial view of I of FIG. 2;

FIG. 4 is a schematic view of the cutting assist device;

FIG. 5 is a schematic view of another state of the cutting assist device;

FIG. 6 is an enlarged partial view of II of FIG. 4;

fig. 7 is a partial enlarged view of III in fig. 4.

Detailed Description

The trimming platform capable of leveling the power transmission line comprises a first platform 1, a second platform 2 and a base 3, wherein a rotary support 4 is mounted on the first platform 1, the outer ring of the rotary support 4 is fixedly connected with the first platform 1, a support seat 5 is arranged on the inner ring of the rotary support 4, and the support seat 5 can rotate in a circumferential direction of 360 degrees relative to the first platform 1.

First connecting arm 6 is installed in the articulated mounting on supporting seat 5, first connecting arm 6 upper end is articulated to be installed second linking arm 7, install first driving motor 8 in first connecting arm 6 and supporting seat 5 articulated position department mutually, second linking arm 7 is installed with first connecting arm 6 articulated position department mutually, second driving motor 9, first driving motor 8 start can drive first connecting arm 6 and rotate 5 relative supporting seat, second driving motor 9 start can drive second linking arm 7 and rotate 6 relative first connecting arm 6. The second connecting arm 7 is further provided with an electric saw 10, the electric saw 10 is installed on the second connecting arm 7 through a third driving motor 11, an output shaft of the third driving motor 11 is perpendicular to output shafts of the first driving motor 8 and the second driving motor 9, and the third driving motor 11 can be started to drive the electric saw 10 to rotate in the axial direction of the second connecting arm 7. The spatial position of the electric saw 10 can be adjusted as required by controlling the driving motor, so that the branches near the power transmission line can be cut and cleaned, the rotating angle between the first connecting arm 6 and the second connecting arm 7 is in the range of 0-90 degrees, the rotating angle between the first connecting arm 6 and the supporting seat 5 is in the range of 0-90 degrees, and the electric saw 10 can axially rotate by 0-180 degrees.

In order to facilitate the above device to effectively trim softer branches, a cutting auxiliary device is further installed on the electric saw 10, as shown in fig. 4, the cutting auxiliary device includes a rotary table 27 arranged on the electric saw 10, a plurality of first sleeves 28 connected with each other are installed on the rotary table 27, one end of each first sleeve 28 is provided with a hinge plate 29, adjacent first sleeves 28 are hinged with each other through the hinge plate 29, the first sleeve 28 at one end is fixedly connected with the rotary table 27, and the first sleeve 28 at the other end is hinged with a second sleeve 30. A fixed column 31 is arranged in the inner cavity of the second sleeve 30, a rotating shaft 32 is coaxially arranged on the rotating disc 27, the rotating shaft 32 can rotate relative to the rotating disc 27, a connecting rope 33 is arranged between the rotating shaft 32 and the fixed column 31, and the connecting rope 33 is positioned inside the first sleeve 28 and the second sleeve 30. One end of the connecting rope 33 is fixed on the fixing column 31 through a first welding point 34, the other end of the connecting rope 33 is fixed on the rotating shaft 32 through a second welding point 35, and the rotating shaft 32 drives the connecting rope 33 to rotate together to enable one sides of the first sleeve 28 and the second sleeve 30 to rotate and approach each other.

The rotary table 27 can drive the cutting auxiliary device to integrally rotate, when a harder branch is cut, the cutting auxiliary device is not needed, the rotary table 27 drives the integral device to rotate to a position near the second connecting arm 7, and the normal cutting of the electric saw 10 is not hindered, when a softer branch is cut, the rotary table 27 drives the cutting auxiliary device to rotate to a position on one side of the electric saw 10, then the rotary shaft 32 drives the connecting rope 33 to rotate, as shown in fig. 4, when the rotary shaft 32 rotates clockwise, the connecting rope 33 on one side of the electric saw 10 close to the first sleeve 28 and the second sleeve 30 contracts, the connecting rope 33 on one side far away from the electric saw 10 is loosened, finally the first sleeve 28 and the second sleeve 30 are in an arc shape and are positioned on the lower side of the electric saw 10, if the cutting auxiliary device is positioned on the upper side of the electric saw 10, as shown in fig. 5, the rotary shaft 32 needs to rotate anticlockwise to pull the connecting rope 33, make first sleeve 28 and second sleeve 30 be the upside position that the arc is in electric saw 10, form similar and clamping device, first sleeve 28 can be gathered together the branch to electric saw 10 position department to carry out effective cutting pruning to comparatively soft branch. When the device is used for trimming, an operator observes and controls the device nearby to avoid electric shock or other accidents.

The hydraulic cylinder 12 and the coupling plate 13 which can be twisted are hinged between the first platform 1 and the second platform 2, the hydraulic cylinder 12 can stretch and contract to adjust the angle position between the first platform 1 and the second platform 2, for example, when the whole device is positioned on an inclined plane, the hydraulic cylinder 12 can stretch and contract to be linked with the coupling plate 13 to realize the angle adjustment of the surface of the first platform 1, so that the surface of the first platform 1 is kept in a horizontal state. Besides the adjustment of the connecting arm to the electric saw 10, the adaptability of the device to inclined and uneven terrains can be expanded through secondary balance adjustment between the first platform 1 and the second platform 2, the adaptability to various terrains is increased, and the operation capability is improved.

A scissor arm 14 is arranged between the second platform 2 and the base 3, a lifting driving cylinder 15 is arranged on the scissor arm 14, and the extension and retraction of a piston rod of the lifting driving cylinder 15 can realize the vertical lifting of the second platform 2, so that the function of adjusting the operation height is achieved. The base 3 is also provided with a driving system 16, the driving system 16 is connected with a driving motor, a hydraulic cylinder 12 and a lifting driving cylinder 15 through a control circuit, and the driving system 16 is used for realizing the control and driving of each action element on the device, so that the real-time position of the electric saw 10 is adjusted, and the accurate pruning of branches near the power transmission line is ensured.

For adapting to different terrains and being capable of stably parking thereon, the bottom of the base 3 is provided with the moving wheel 17, the bottom of the base 3 is also provided with the rotating rod 18, one end of the rotating rod 18 is hinged with the base 3 through the fourth driving motor 19, and the other end of the rotating rod 18 is provided with the supporting leg 20 capable of lifting. Wherein the position that the supporting leg 20 can be adjusted through fourth driving motor 19 according to the topography of locating makes removal wheel 17 keep away from ground, guarantees the firm parking of base 3 on different topography under supporting role of supporting leg 20, when needs shift the overall device, then needs promote supporting leg 20, removes wheel 17 and contacts with ground, realizes pruning platform's removal through removing wheel 17.

Further, in order to prevent the influence of the induced current on the device, a current induction probe 21 is installed on one side of the electric saw 10, a grounding connecting rod 22 is hinged to the first platform 1, a fifth driving motor 23 is installed at a position where the grounding connecting rod 22 is hinged to the first platform 1, the fifth driving motor 23 is connected with the current induction probe 21 through a control circuit, a grounding wire device 24 is installed on the second platform 2, and the fifth driving motor 23 can drive the grounding connecting rod 22 to rotate to be connected with the grounding wire device 24. When the current sensing probe 21 detects that the current is greater than or equal to 30mA, the indicator light flickers, and meanwhile, the connecting arm can be automatically retracted to prevent further contact with the sensing current, or when the current sensing probe 21 detects that the current is greater than or equal to 30mA, the grounding connecting rod 22 rotates downwards for 270 degrees under the driving of the fifth driving motor 23 to contact with the grounding wire device 24 on the second platform 2, so that the effect of absorbing the sensing current is achieved.

Further, as shown in fig. 3, an insulating layer 25 is disposed on the surface of the first platform 1, and an RTV coating 26 is coated on the insulating layer 25, wherein the insulating layer 25 and the RTV coating 26 are disposed to effectively increase a creepage distance, so that when an induced current is too large, a good insulating effect can be achieved, and important components such as a motor or a battery in the driving system 16 on the second platform 2 can be well protected.

The technical solution of the present invention is not limited to the scope of the embodiments of the present invention. The technical contents not described in detail in the present invention are all known techniques.

Claims

1. The utility model provides a pruning platform that transmission line can level which characterized in that: including first platform (1), second platform (2) and base (3), install slewing bearing (4) on first platform (1), the outer lane and first platform (1) fixed connection of slewing bearing (4), be equipped with supporting seat (5) on slewing bearing (4)'s the inner circle, articulated first connecting arm (6) of installing on supporting seat (5), articulated second connecting arm (7) of installing in first connecting arm (6) upper end, install first driving motor (8) in first connecting arm (6) and supporting seat (5) looks articulated position department, second driving motor (9) are installed in second connecting arm (7) and first connecting arm (6) looks articulated position department, still be equipped with electric saw (10) on second connecting arm (7), electric saw (10) are installed on second connecting arm (7) through third driving motor (11), wherein the output shaft and first driving motor (8) and second driving motor (9) of third driving motor (11), second driving motor (9) are installed to second connecting arm (10) ) The output shaft of the electric saw is vertically arranged, a cutting auxiliary device is further installed on the electric saw (10), the cutting auxiliary device comprises a rotary table (27) arranged on the electric saw (10), a plurality of first sleeves (28) which are connected with each other are installed on the rotary table (27), one end of each first sleeve (28) is provided with a hinged plate (29), the adjacent first sleeves (28) are hinged through the hinged plates (29), the first sleeves (28) at one end are fixedly connected with the rotary table (27), the first sleeves (28) at the other end are hinged and connected with a second sleeve (30), a fixed column (31) is installed in the inner cavity of the second sleeve (30), a rotating shaft (32) is coaxially installed on the rotary table (27), the rotating shaft (32) can rotate relative to the rotary table (27), a connecting rope (33) is installed between the rotating shaft (32) and the fixed column (31), the connecting rope (33) is located inside the first sleeves (28) and the second sleeve (30), one end of the connecting rope (33) is fixed on the fixing column (31) through a first welding point (34), the other end of the connecting rope (33) is fixed on the rotating shaft (32) through a second welding point (35), the rotating shaft (32) drives the connecting rope (33) to rotate together to enable one side of the first sleeve (28) and one side of the second sleeve (30) to rotate to be close to each other, a hydraulic cylinder (12) and a torsional coupling plate (13) are hinged between the first platform (1) and the second platform (2), the hydraulic cylinder (12) can adjust the angle position between the first platform (1) and the second platform (2) in a telescopic mode, a scissor arm (14) is installed between the second platform (2) and the base (3), a lifting driving cylinder (15) is arranged on the scissor arm (14), a driving system (16) is further installed on the base (3), and the driving system (16) is connected with a driving motor through a control circuit, Pneumatic cylinder (12) and lift actuating cylinder (15) are connected, removal wheel (17) are installed to the bottom of base (3), and dwang (18) are still installed to the bottom of base (3), and fourth driving motor (19) are passed through to the one end of dwang (18) and base (3) are articulated mutually, and supporting leg (20) that can go up and down are installed to the other end of dwang (18).

2. The trimming platform capable of leveling of the power transmission line according to claim 1, characterized in that: current sensing probe (21) are installed to electric saw (10) one side, and articulated on first platform (1) install ground connection pole (22), ground connection pole (22) and the articulated position department mutually of first platform (1) install fifth driving motor (23), and fifth driving motor (23) are connected with current sensing probe (21) through control scheme, install earth connection device (24) on second platform (2), and fifth driving motor (23) can drive ground connection pole (22) and rotate to being connected with earth connection device (24).

3. The trimming platform capable of leveling of the power transmission line according to claim 1, characterized in that: the surface of the first platform (1) is provided with an insulating layer (25), and the insulating layer (25) is coated with an RTV coating (26).